1-350XL - 1" Double Check Backflow Preventer

The 350XL Double Check Backflow Preventer provides low health hazard protection in potable water applications. The EZSwap™ removable pressure vessel provides safe and easy line flushing, quick winterization, and simple maintenance and repair.

UPC: 612052087184

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Product Resources

Spec Sheets & Install

BIM / 3D Models / 2D Drawings

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Features And Benefits

  • Patented removable pressure vessel
  • Low-lead design is suitable for drinking water
  • Top-mounted test cocks ease installations
  • Blow Out Flush fitting available
  • Low-lead law compliant
Lead Free
Retrofit or Replacement
Zurn Wilkins
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Repair Parts

The RK18-860XL 1/8" Standard Test Cocks fit 1/4" - 1" backflow preventers.

The RK18-860XLFT 1/8" Fast-Test, Test Cocks with SAE Fitting speed testing set-up, and fit 1/4" - 1" backflow preventers.

Complete Pressure Vessel (Housing) Repair Kit for 1" 350XL/350

Quick Test Backflow Fittings (Thermoplastic) for backflow preventers 1/4" - 2"

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